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Re: Ethernet with no IP address

On Wed, Jul 10, 2013 at 08:45:46AM -0500, Eric Barnes wrote:
> Is it possible to access an Ethernet port in Debian WITHOUT it being
> configured?  

No, you have to set it to an UP state. You don't need to configure any
addresses for it.

> I would like a device that has two ports with no IPs and acts as a SWITCH,
> but with logic to examine and act on packets as they come through.

This is called a bridge. See /usr/share/doc/bridge-utils/*.

> >From the research I've done, this is not possible without developing custom
> device driver and/or possibly changing part of kernel.

As researcher you should know that network stacks are usually layered
and the lower layer works without the upper layer.


Those who hate and fight must stop themselves -- otherwise it is not stopped.
		-- Spock, "Day of the Dove", stardate unknown

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